Question

If angle A=(5x + 7)and B=(3x - 3). Find all the angles in parellogram ABCD

Answer 1

Answer:

angle A + Angle B=180

(5x+7)+(3x-3)=180

5x + 7 + 3 x -3 =180

8 x + 4 =180

8x=180-4

8x=176

x=176/8

x=22